How to add a rotating marker in VSCode

readme.md

const m = `<svg width="15" viewBox="-5 6 63 59" xmlns="http://www.w3.org/2000/svg" fill="#79A9FF">
<g>
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<animateTransform attributeName="transform" type="rotate" from="0 30 30" to="360 30 30" dur="1s" repeatCount="indefinite" />
</g>
</svg>`
// Convert the SVG string to a data URI
const svgDataUri = `data:image/svg+xml;base64,${btoa(m)}`
// Create a new image element
const img = new Image()
// Set the data URI as the source
img.src = svgDataUri
// Append the image to the DOM
document.body.appendChild(img)
// gutterIconPath: svgDataUri